<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>计算属性的getter和setter</title>
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
    <div id="app">
        {{fullName}}
    </div>

    <script>
        var vm = new Vue({
            el: '#app',
            data: {
                firstName: "Dell",
                lastName: "Lee"
            },
            computed: {
                fullName: {
                    get: function() {
                     return this.firstName + " " + this.lastName;
                    },
                
                    set: function(value) {
                        console.log(value);
                        var arr = value.split(" ");
                        this.firstName = arr[0];
                        this.lastName = arr[1];
                    }
                }  
            } 
        })
    </script>
</body>
</html>